deletions | additions       diff --git a/Digital Signatures and MACs.tex b/Digital Signatures and MACs.tex  index 4f788c7..e0da358 100644  --- a/Digital Signatures and MACs.tex  +++ b/Digital Signatures and MACs.tex 
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\\ex. $\text{CBC-MAC}_K(m)$ outputs the last block  \item Real World Example: WSJ password file   \begin{itemize}  \item $\text{MAC}_k(\text{username}) = \text{crypt}(\text{user}||k)$ \text{crypt}(\text{user }||k)$  \end{itemize}  \end{itemize}  \end{itemize}